Warning: Changing a device’s IMEI may be illegal in many jurisdictions and can void warranties or violate carrier terms. Proceed only if you have a lawful reason (e.g., repairing hardware for the original owner) and permission. I assume you have legal authorization.
Restart the module and send AT+GSN to confirm the change has been applied. Limitations and Firmware Variations
Before resorting to IMEI modification, consider these legitimate alternatives:
: For cases where an IMEI is corrupted or needs legitimate recovery (e.g., due to software damage), the manufacturer advises contacting Quectel Technical Support directly with your location and purpose for the change. Critical Risks and Legal Implications Instructions to change the IMEI - PinePhone - PINE64 Forum
Changing the IMEI on Quectel modules is a relatively straightforward process, but it requires careful attention to the specific module model and firmware version you are using. Before attempting to change the IMEI, make sure you have a good understanding of the process and the potential risks involved. If you are unsure, consult the Quectel documentation or contact their technical support team for assistance. quectel change imei
This method can permanently brick the module if the checksum or ESN (Electronic Serial Number) mismatches. It also voids warranty.
Ensure the Quectel USB drivers are correctly installed. In Windows Device Manager, look for the entry labeled Quectel USB AT Port .
Independent users on forums like PINE64 and Quectel Forums have discussed undocumented methods for specific modules like the :
If you're trying to solve a specific connectivity issue (carrier blocking, device registration, etc.), I can help with legal solutions like APN configuration, network registration, or firmware updates instead. Warning: Changing a device’s IMEI may be illegal
The Ghost Device
: If a firmware flash goes wrong and corrupts the NVRAM, the IMEI might show as "000000000000000," preventing the device from registering on a network. Restoring the original IMEI is a common fix. IoT Development
When compliance with local IMEI numbering rules is required, sourcing modules pre-programmed with appropriate IMEI prefixes is the safest approach.
To change the IMEI, Quectel provides a specific command, though its availability depends on the firmware version and the specific chipset (e.g., EC25, BG96, or RM500Q). The syntax is generally: AT+EGMR=1,7,"NEW_IMEI_HERE" Restart the module and send AT+GSN to confirm
Changing an IMEI number is illegal in many jurisdictions. It is often associated with efforts to circumvent network restrictions, unlock stolen devices, or hide the true nature of a device from regulators.
Many IoT applications can identify devices using MAC addresses, serial numbers, or application-layer IDs rather than modifying the hardware IMEI.
Some Quectel modules have specific firmware modification tools, such as the Quectel L35 and L76 series. These tools allow you to modify the firmware, including the IMEI number.
This is the most critical section.